The Boston Red Sox head to O.co Coliseum on Tuesday to take on the Oakland Athletics. The probable starters are Justin Masterson for the Red Sox and Drew Pomeranz for the Athletics. The opening line has Boston at -102 and Oakland at -108. The over/under for this matchup is 7.5. So far this season Boston is 16-14 against the over/under while the Athletics are 23-8.

The Red Sox come into this game with a 14-17 record, including 7-8 on the road. Justin Masterson has a 2-1 record and an earned run average of 5.18. He's given up 34 hits in 33 innings pitched so far and Boston is currently averaging 5 runs in his starts. As a team, they are batting .233, good for 25th in the league. They also rank 16th in the league in on base percentage at .317 with Pablo Sandoval leading the way at .379.

The Athletics overall record is 12-21 and they are 4-9 at home. Drew Pomeranz is currently 1-3 with an ERA of 5.12. He's pitched 31.2 innings thus far and given up 33 hits. Oakland has averaged 5.3 runs in his starts this year. The Athletics are 20th in the league in team ERA at 4.21 and 11th in the league in hits allowed per 9 innings at 8.14. They come into this game batting .258 as a team with an OBP of .315, good for 18th in the league.